42 engineering, architecture, biology, chemistry and physics; consultancy with regard to the use of absorbent or superabsorbent polymers, especially in flood protection; surveying and geological surveys, consultation in environment protection; scientific and industrial research, in particular with regard to the use of absorbent or superabsorbent polymers, especially in flood- and water protection; eco-biological research and the drawing up of eco-balances; chemical laboratory services, conducting chemical analysis, in particular of soil, air and water, analysis for oil field exploitation, waste water analysis; consultancy in the field of computer hardware, data processing, in particular updating and programming of computer software for the gathering, storage and updating of data within the framework of electronic commerce in goods or services, computer programming, installation and maintenance (updating services) of software, specialist EDP consultancy and consultancy with regard to the security of computer networks; leasing of data-processing installations; hosting computer sites [web sites], creating and maintaining web sites for others; computer software design, data conversion of computer programs and data [not physical conversion], conversion of data or documents from physical to electronic media, duplication of computer programs, recovery of Computer data technical consultancy for business and public organisations, especially with regard to the use of absorbent, superabsorbent polymers in flood- and water protection